Hi,
I need to know if SQLite is a DBMS and why.
Please its urgent.
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Hi,
Wikipedia answers with yes and why (= because it's ACID and SQL compliant)
within the first three sentences!
http://en.wikipedia.org/wiki/SQLite
Yours, S.
2013/9/1 kimtiago kimti...@gmail.com
Hi,
I need to know if SQLite is a DBMS and why.
Please its urgent.
--
View this message
On 1 Sep 2013, at 5:39am, kimtiago kimti...@gmail.com wrote:
I need to know if SQLite is a DBMS and why.
That's okay. Just have your teacher post here and we'll tell them directly.
Simon.
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Wait a second, this is a mailing list where you need
to register to write. Isn't it?
It means the OP actually registered but he did not
try to seek for wikipedia sqlite in google?
It is just me or it is quite weird?
On Sun, Sep 1, 2013 at 12:23 PM, Simon Slavin slav...@bigfraud.org wrote:
On
tOn Sun, 1 Sep 2013 12:34:02 +0200, Paolo Bolzoni
paolo.bolzoni.br...@gmail.com wrote:
Wait a second, this is a mailing list where you need
to register to write. Isn't it?
Yes, but he appears to have posted from nabble.
I guess nabble has a subscription.
It means the OP actually registered
Am 31.08.2013 22:01, schrieb Etienne:
On Sat, 31 Aug 2013 17:17:23 +0200
Etienne etienne.sql...@mailnull.com wrote:
On the other hand removing patterns definitely cannot hurt.
Precisely.
The very first bytes of SQLite files are, AFAIK, well known.
That's what salt is for,
On 31/8/2013 9:52 PM, dd wrote:
Thank you for your quick response.
I am looking for freeware. If freeware not available, I have to implement
encryption support for sqlite on winrt.
What is the procedure to implement encryption support on winrt?
Thanks,
dd
Many others have replied with the
Ulrich Telle wrote:
Am 31.08.2013 22:01, schrieb Etienne:
I simply wanted to warn the OP that wxSQLite, while free, does NOT use
salts:
Well, that's not completely true. The encryption extension coming with
wxSQLite3 uses a different IV (initial vector) for each database page.
True is that
On Sun, Sep 1, 2013, at 17:50, Clemens Ladisch wrote:
Ulrich Telle wrote:
Am 31.08.2013 22:01, schrieb Etienne:
I simply wanted to warn the OP that wxSQLite, while free, does NOT use
salts:
Well, that's not completely true. The encryption extension coming with
wxSQLite3 uses a
Another weird sentence in the mailing list
of probably most used DB that is really free.
On Sun, Sep 1, 2013 at 6:10 PM, Etienne etienne.sql...@mailnull.com wrote:
On Sun, Sep 1, 2013, at 17:50, Clemens Ladisch wrote:
Ulrich Telle wrote:
Am 31.08.2013 22:01, schrieb Etienne:
I simply wanted
wxSQLite (relevant part) and SEE are extensions to SQLite.
wxSQLite is free, while SEE is definitively not.
wxSQLite means pseudo encryption (as formerly discussed), while SEE is real
encryption.
What is weird???
Regards,
Etienne
- Original message -
From: Paolo Bolzoni
Keeping it simple:
I have a Python application that uses SQLite, and I randomly get this error:
SQL logic error or missing database
I have no idea how to figure out what's wrong, and if I can't figure it
out, it leaves a huge deal-breaking bug in my application, such that I'd
have to abandon
On Sun, Sep 1, 2013 at 1:12 PM, C M cmpyt...@gmail.com wrote:
I have a Python application that uses SQLite, and I randomly get this
error:
SQL logic error or missing database
I have no idea how to figure out what's wrong,
A good starting place might be to tell us what the program is
Am 01.09.2013 18:40, schrieb Etienne:
wxSQLite is free, while SEE is definitively not.
The original poster searched for a free encryption extension, of which
there exist several: System.Data.SQLite (RC4), wxSQLite3 (AES-128 or
AES-256), SQLCipher (AES-256 with nonce) to name a few.
On 1 Sep 2013, at 6:38pm, Richard Hipp d...@sqlite.org wrote:
A good starting place might be to tell us what the program is doing when
the error comes back.
As well as telling us the call that trieggers the error, please put logic into
your program so that it not only checks the result code
C M wrote...
Keeping it simple:
I have a Python application that uses SQLite, and I randomly get this
error:
SQL logic error or missing database
Is the database in network drive or not in the same machine that is running
the app?
___
On Sun, Sep 1, 2013 at 1:38 PM, Richard Hipp d...@sqlite.org wrote:
On Sun, Sep 1, 2013 at 1:12 PM, C M cmpyt...@gmail.com wrote:
I have a Python application that uses SQLite, and I randomly get this
error:
SQL logic error or missing database
I have no idea how to figure out
On Sun, Sep 1, 2013 at 2:23 PM, Simon Slavin slav...@bigfraud.org wrote:
On 1 Sep 2013, at 6:38pm, Richard Hipp d...@sqlite.org wrote:
A good starting place might be to tell us what the program is doing when
the error comes back.
As well as telling us the call that trieggers the error,
On Sun, Sep 1, 2013 at 4:28 PM, jose isaias cabrera
cabr...@wrc.xerox.comwrote:
C M wrote...
Keeping it simple:
I have a Python application that uses SQLite, and I randomly get this
error:
SQL logic error or missing database
Is the database in network drive or not in the same
Does Python have an interface to the error and warning log mechanism of
SQLite? (http://www.sqlite.org/errlog.html) Can you turn that on? It
will probably give more details about what it happening.
On Sun, Sep 1, 2013 at 5:32 PM, C M cmpyt...@gmail.com wrote:
On Sun, Sep 1, 2013 at 1:38 PM,
On 1 Sep 2013, at 10:34pm, C M cmpyt...@gmail.com wrote:
Do you know how I can do that with Python? For example, I tried this:
status = cursor.execute(some SQL statement here)
print The status is: , status
But it prints the cursor object:
The status is sqlite3.Cursor object at
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 01/09/13 14:34, C M wrote:
Do you know how I can do that with Python? For example, I tried this:
status = cursor.execute(some SQL statement here) print The status
is: , status
But it prints the cursor object:
The status is
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
He needs to give the exception traceback which will show what is happening
at the time.
A common mistake with newish Python programmers is to catch all
exceptions, and then keep going which also hides the exception tracebacks.
On 01/09/13 15:12,
I have a query that is unbearable at scale, for example when
s_table_a and s_table_b have 70k and 1.25M rows.
SELECT s.id AS s_id
,s.lid AS s_lid
,sa.val AS s_sid
,d.id AS d_id
,d.lid AS d_lid
FROM s_table_b sa
JOIN d_table_b da ON
(
da.key=sa.key
Hi,
Can you do DESCRIBE QUERY PLAN your_query and post results here?
Also, what do you mean by unbearable at scale? Did you measure it? What
is the result?
Thank you.
On Sun, Sep 1, 2013 at 6:03 PM, Joseph L. Casale
jcas...@activenetwerx.comwrote:
I have a query that is unbearable at scale,
On 2 Sep 2013, at 2:03am, Joseph L. Casale jcas...@activenetwerx.com wrote:
I am using LIKE as the columns are indexed NOCASE and I need the
comparison case insensitive.
Have you tried using '=' ?
Also if you declare the columns as COLLATE NOCASE in your table definition,
then using '='
Hi,
Can you do DESCRIBE QUERY PLAN your_query and post results here?
Also, what do you mean by unbearable at scale? Did you measure it? What
is the result?
Thank you.
It doesn't finish with maybe 4 or 5 hours run time.
Sorry, do you mean explain query plan ...?
0 0 1
Have you tried using '=' ?
Also if you declare the columns as COLLATE NOCASE in your table definition,
then using '=' will definitely work the way you want it to. An example would
be
CREATE TABLE myTable (myName TEXT COLLATE NOCASE)
Simon.
I did and it excluded the comparisons whose
I am using LIKE as the columns are indexed NOCASE and I need the
comparison case insensitive. I suspect this is where is breaks down
but I don't know enough sql to really appreciate the ways I could
approach this better.
LIKE is used when comparing strings with wildcards. For example, val
Hi, Joseph,
On Sun, Sep 1, 2013 at 6:21 PM, Joseph L. Casale
jcas...@activenetwerx.comwrote:
Hi,
Can you do DESCRIBE QUERY PLAN your_query and post results here?
Also, what do you mean by unbearable at scale? Did you measure it? What
is the result?
Thank you.
It doesn't finish
LIKE is used when comparing strings with wildcards. For example, val LIKE
'abra%' (which will match 'abraCaDAbra' and 'abrakadee'.
If there are no wildcards you should be using =, not LIKE. LIKE will/should
always indicate that a table or index scan is required, perhaps of the whole
0 0 1 SCAN TABLE d_table_b AS da (~10 rows)
Is this the index you referenced in you reply to Simon?
Maybe you are using wrong index/column?
I'll recheck, I am also reading up on indexes as they relate to optimizing
queries. Could be I made a mistake.
I had the same
Have you tried using '=' ?
Also if you declare the columns as COLLATE NOCASE in your table definition,
then using '=' will definitely work the way you want it to. An example would
be
CREATE TABLE myTable (myName TEXT COLLATE NOCASE)
Simon,
That took this query from not finishing in 5
On Sun, Sep 1, 2013, at 19:59, Ulrich Telle wrote:
Am 01.09.2013 18:40, schrieb Etienne:
wxSQLite is free, while SEE is definitively not.
The original poster searched for a free encryption extension, of which
there exist several: System.Data.SQLite (RC4), wxSQLite3 (AES-128 or
AES-256),
Am 02.09.2013 06:11, schrieb Etienne:
wxSQLite3 does implement AES in ECB mode
Wrong. CBC mode is used.
Regards,
Ulrich
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